Bug 1009603 - Tracelogger: Part 5: Handle stack mismatch gracefully (for release builds), r=bbouvier

js/src/vm/TraceLogging.cpp

@@ -328,7 +328,7 @@ TraceLogger::~TraceLogger()
         // We temporary enable logging for this. Stop doesn't need any extra data,
         // so is safe to do, even when we encountered OOM.
         enabled = true;
-        while (stack.size() > 0)
+        while (stack.currentId() > 0)
             stopEvent();
         enabled = false;
     }
@@ -707,6 +707,7 @@ TraceLogger::stopEvent()
             return;
         }
     }
+    JS_ASSERT(stack.currentId() > 0);
     stack.pop();
 }